| Retsil | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | USA Washington |
| Pushpin Map Caption: | Location within the state of Washington |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Washington |
| Subdivision Type2: | County |
| Subdivision Name2: | Kitsap |
| Unit Pref: | Imperial |
| Population As Of: | 2000 |
| Population Density Km2: | auto |
| Timezone: | Pacific (PST) |
| Utc Offset: | -8 |
| Timezone Dst: | PDT |
| Utc Offset Dst: | -7 |
| Coordinates: | 47.5458°N -122.6111°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1531706 |
Retsil is an unincorporated community in Kitsap County, Washington, United States. It is located on the Puget Sound, and is known for its veterans facilities. Retsil is located within the Parkwood Census-designated place (CDP).
A post office called Retsil was established in 1915, and remained in operation until 1966.[1] The community's name is that of Governor Ernest Lister, reversed.[2]